BCM43907 Datasheet, PDF (109/128 Pages) Cypress Semiconductor – WICED™ IEEE 802.11 a/b/g/n SoC with an Embedded Applications Processor

BCM43907 Preliminary Data Sheet
SDIO Interface Timing
Device Input Timing
SDIO device input timing in the SDR modes is shown by the combination of Figure 27 and Table 48.
Figure 27: SDIO Bus Input Timing (SDR Modes)
SDIO_CLK
CMD input
DAT[3:0] input
t_IS
t_IH
Symbol
t_IS
t_IH
Table 48: SDIO Bus Input Timing Parameters (SDR Modes)
Minimum
3.00
0.80
Maximum Unit
–
ns
–
ns
Comments
C_CARD = 10 pF, VCT = 0.975V
C_CARD = 5 pF, VCT = 0.975V
Broadcom^®
March 12, 2016 • 43907-DS104-R
BROADCOM CONFIDENTIAL
Page 108